<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <title>35-formula </title>
  <link rel="stylesheet" href="layout.css">
  <link rel="stylesheet" href="./mathquill-0.10.1/mathquill.css">
</head>
<body>
  <div class="main">
    <p>
      <span id="formula"></span>
    </p>
    <input type="button" value="添加公式">
  </div>
  <script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
  <script src="main.js"></script>
  <script src="./mathquill-0.10.1/mathquill.js"></script>
</body>

</html>